2013 | OriginalPaper | Buchkapitel
How Much Worth Is Coordination of Mobile Robots for Exploration in Search and Rescue?
verfasst von : Francesco Amigoni, Nicola Basilico, Alberto Quattrini Li
Erschienen in: RoboCup 2012: Robot Soccer World Cup XVI
Verlag: Springer Berlin Heidelberg
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Exploration of unknown environments is an enabling task for several applications, including map building and search and rescue. It is widely recognized that several benefits can be derived from deploying multiple mobile robots in exploration, including increased robustness and efficiency. Two main issues of multirobot exploration are the
exploration strategy
employed to select the most convenient observation locations the robots should reach in a partially known environment and the
coordination method
employed to manage the interferences between the actions performed by robots. From the literature, it is difficult to assess the relative effects of these two issues on the system performance. In this paper, we contribute to filling this gap by studying a search and rescue setting in which different coordination methods and exploration strategies are implemented and their contributions to an efficient exploration of indoor environments are comparatively evaluated. Although preliminary, our experimental data lead to the following results: the role of exploration strategies dominates that of coordination methods in determining the performance of an exploring multirobot system in a highly structured indoor environment, while the situation is reversed in a less structured indoor environment.